The most compatible sign for Aries is Sagittarius. But Leo could do well in a relationship with them, too, not only Sagittarius.
aries
Gemmie
The Virgo woman is the most compatible sign for an Aries Male.
I would recommend Aries man for Sagittarius woman.
Sagittarius are excellently compatible with Aries, and can be good with Leo, too.
Gemini females are most compatible with Libra, Aquarius, and Aries. Libra and Aquarius share Gemini's intellectual approach to life, while Aries can keep up with Gemini's boundless energy and spontaneity.
Aries
Aries is highly compatible with Gemini, Leo and Sagittarius. Aries is also highly compatible with other Aries and Virgo and they are partially compatible with Libra.
Cancer
Virgo
The easiest signs for Aries are the other fire signs. Leo, Sagittarius and Aries.
Any fire sign would be most compatible with Sagittarius. They include Aries and Leo.